FireCrunch Warehouse:  QLD, NSW, ACT & VIC. 24 hrs pick up or local delivery. SA, WA. NT and TAS up to 7 days by Road, Sea and Rail, ex Melbourne.

Boundary fire walls

Boundary fire walls are required when two adjacent buildings are constructed within a certain minimum distance from the building boundary or actually on the boundary and fire resistant building board is required to enable such a fire safe building and fire separation wall to be constructed.

Tested up to 120 minutes

FireCrunch K-CLAD wall is a FCA NATA labs tested to 60 minutes on single timber frames and 90 minutes on double stud timber frames. FireCrunch is fire tested on steel frames and certified to BCA standards from FRL 30/30/30 BAL FZ ( Bushfires) through to FRL 120/120/120 in high-rise residential apartment blocks, commercial buildings factories, etc. etc. It is also used extensively for boundary firewalls where extremes of fire resistant building is are required.

Fire safe Gyprock alternative building board like FireCrunch is required to suit the long term requirement in exterior weather conditions affecting boundary fire walls. Firecrunch Magnesium Oxide (MgSO4 board or MgO board) is a fire safe building board and NATA labs fire tested which will meet all boundary fire wall provisions.

Additionally, FireCrunch is an  environmental building board with less than 5% pollution Co2 in manufacture (New Scientist magazine USA) and is a bushfire building and bushfire safe building product manufactured from Magnesium Oxide (MgSO4) and other IP composites which has been fire tested by the CSIRO, to make it Australia’s only really compliant, lightweight system, economically priced and tested bushfire safe building board.

Boundary fire walls specifications

  • Timber FRL 60/60/60 single frame 90 x45mm MGP10.
  • Steel  FRL 90/90/90 single frame  92x45mm 1.00 to 1.15 BMT standard  cold roll steel section.
  • Up to 120 minutes on Light Gauge steel frames 1.0 to 1.15 BMT  FRL 90/90/90 and load bearing to 55kN  or 18.3kN per linear metre. 2 layers for 120 minutes.
  • Standard off the shelf purchase products, in steel framing and timber etc.
  • NATA labs tested to 60 minutes on single timber frames and 90 minutes on double stud timber frames.
  • Only 1 x10mm sheet is required  each side of the frame, with a mid density R 2.5 low cost glass wool batt ( $8.00 per m2) in the cavity even up to 120 minutes
  • NATA labs CSIRO and Resolute Labs  fire test reports both DTS and alternative Performance Systems under the National Construction Code NCC.
  • With a registered Fire Engineers  independent assessment  of test.

Supply direct to licensed trades: QLD, NSW, ACT ,VIC ,TAS, SA, WA, NT within 24/48 hours of payment.

For more information, contact us on 1300 933 102 or technical@firecrunchaustralasia.com.au  we can assist you,

Boundary fire wall products

K-Clad: Interior/exterior cladding (10mm)
K-Wall: Interior/exterior tongue & groove (12mm)

Technical manuals

Boundary walls: Timber Framing
Boundary walls: Steel Framing
All manuals

At a glance

Fire resistant to extremely high temperatures (1200ºC)
Meets BAL FZ and up to FRL 90/90/90
Non-combustible (AS 1530.1) and smoke release AS/3837
Fire Tested (AS1530.4 (C1..C19)-/ 2025 )
30,60 90 Minute fire resistance
Non-asbestos, NATA Australian certification
Resistant to flooding and prolonged water emersion
Resistant to bacteria moisture, humidity, mould and mildew
Completely resistant to termites and insects
Low thermal conductivity ~0.44 (W/mk)
Higher R values than plasterboard
Less expensive, eliminates multiple layers of plasterboard for high FRL

Aust. Standards (Certified in Australia)

View certifications
Fire 1.5 hours 1 x 10mm sheet
Impact 10 times stronger than plasterboard, load bearing 55kN (1.5 hrs) at 1200⁰C (see CSIRO fire test report)
Acoustics Rw 62 AS/717.1 (see report certification)
Asbestos Nil content test AS 4964 R and U value (see Tech info charts)
Handling Cuts, saws, drills, routs, with timber tools, power gun screwing, massive time saving on installation
Labour cost benefits FireCrunch Requires 1 sheet each side for FRL up to FRL 90/90/90 (p/ board needs 3 layers 13mm each side).
Strength 10 x Stronger than Plaster Board
Eco-Friendly 95% less Co2 Emission than Plaster Board

CSIRO Logo FireCrunch has been fire tested by Australia’s
highest testing authority, the CSIRO.

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